| http://www.w3.org/ns/prov#value | - In many cases, however, the environment to which the variation is exposed determines whether a variation is neutral or whether it has selective value. 133 Evolution 12_097649 ch09.qxd 6/13/07 8:57 PM Page 133 Causes of Changes in Allele Frequencies Natural selection was the mechanism that Darwin proposed for evolution.
|
